Journal of Forensic Dental Sciences
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Year : 2017  |  Volume : 9  |  Issue : 1  |  Page : 44

Gender determination by odontometric method

1 Department of Oral Pathology and Microbiology, Farooqia Dental College and Hospital, Mysore, Karnataka, India
2 Department of Oral Pathology and Microbiology, RajaRajeswari Dental College and Hospital, Bengaluru, Karnataka, India

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Department of Oral Pathology and Microbiology, Farooqia Dental College and Hospital, Mysore, Karnataka
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jfo.jfds_96_15

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Context: Gender determination is central in establishing personal identification from human skeletal remains. The study was conducted to find out the accuracy with which gender can be determined by odontometric methods. Aims: To investigate the mesiodistal (MD) and buccolingual (BL) dimensions of all the teeth of permanent dentition to find new parameters to differentiate between male and female teeth and to assess whether each type of linear measurement can be used independently in odontometric sex differentiation. Materials and Methods: The study was conducted at a dental college on a composite group of 500 individuals comprising 250 males and 250 females. Impressions of upper and lower jaws were made with alginate impression material and casts prepared with dental stone. A digital Vernier calliper was used to measure the BL and MD dimensions of all the upper teeth except the third molars. Statistical Analysis Used: The results were subjected to statistical analysis using univariate analysis and linear stepwise discriminant function analysis to find the variables which discriminate gender significantly. Results: The MD and BL dimensions between males and females were statistically significant. The predicted value for correct classification of gender was also statistically significant. Conclusions: The ability to differentiate gender in the population using stepwise discriminant functions was found to be very high with 99.8% accuracy with males showing statistically larger teeth than females. This is similar to the near 100% success in gender determination using pelvic and skull bones.

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